Examples with Announcer io.druid.curator.announcement.Announcer used on opensource projects

Example 6 with Announcer

use of io.druid.curator.announcement.Announcer in project druid by druid-io.

the class ListenerResourceAnnouncerTest method testAnnouncerBehaves.

@Test
public void testAnnouncerBehaves() throws Exception {
    setupServerAndCurator();
    closerRule.closeLater(server);
    curator.start();
    closerRule.closeLater(curator);
    Assert.assertNotNull(curator.create().forPath("/druid"));
    Assert.assertTrue(curator.blockUntilConnected(10, TimeUnit.SECONDS));
    final Announcer announcer = new Announcer(curator, executorService);
    final HostAndPort node = HostAndPort.fromString("localhost");
    final ListenerResourceAnnouncer listenerResourceAnnouncer = new ListenerResourceAnnouncer(announcer, listeningAnnouncerConfig, listenerKey, node) {
    };
    listenerResourceAnnouncer.start();
    announcer.start();
    closerRule.closeLater(new Closeable() {

        @Override
        public void close() throws IOException {
            announcer.stop();
        }
    });
    Assert.assertNotNull(curator.checkExists().forPath(announcePath));
    final String nodePath = ZKPaths.makePath(announcePath, node.getHostText());
    Assert.assertNotNull(curator.checkExists().forPath(nodePath));
    Assert.assertEquals(Longs.BYTES, curator.getData().decompressed().forPath(nodePath).length);
    Assert.assertNull(curator.checkExists().forPath(listeningAnnouncerConfig.getAnnouncementPath(listenerKey + "FOO")));
    listenerResourceAnnouncer.stop();
    listenerResourceAnnouncer.start();
    listenerResourceAnnouncer.start();
    listenerResourceAnnouncer.stop();
    listenerResourceAnnouncer.stop();
    listenerResourceAnnouncer.start();
    listenerResourceAnnouncer.stop();
    listenerResourceAnnouncer.start();
    listenerResourceAnnouncer.stop();
    Assert.assertNull(curator.checkExists().forPath(nodePath));
}